Code for finding CPU utilisation for executing query

Hi, i need code for finding CPU utilisation for executing the particular query.

Use session tracing, then in trace file you can find cpu utilization for particular statement on each phase: parse, execute, fetch and the overall.
Or You can use the dbms_utility.get_cpu_time (if your database is 10g) in pl/sql:
declare
cpt1 pls_integer;
cpt2 pls_integer;
cputime pls_integer;
begin
cpt1:=sys.dbms_utility.get_cpu_time;
<some code here>
cpt2:=sys.dbms_utility.get_cpu_time;
cputime:=cpt2-cpt1;
end;
good luck

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Hi !!
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************************************************************************88
FORM GET_PRICING_DATA USING    P_KNUMV.
SELECT * INTO TABLE I_KONV
            FROM KONV
            WHERE KNUMV = WA_EKKO-KNUMV.
IF SY-SUBRC = 0.
    SORT I_KONV.
ENDIF.
ENDFORM.                    " GET_PRICING_DATA
*&      Form get_tax_details
extract Tax item details.
     -->P_EBELp for purchase order item.
FORM GET_TAX_DETAILS USING    P_EBELP.
DATA : L_OCTROI LIKE KONV-KWERT,
        L_BASE LIKE KONV-KWERT,
        L_OTHERS LIKE KONV-KWERT,
        L_DISCOUNT LIKE KONV-KWERT,
        L_PFORWARD LIKE KONV-KWERT,
        L_INSU LIKE KONV-KWERT,
        L_NUM LIKE I_KONV-KUMZA VALUE 1,
        L_DENO LIKE I_KONV-KUMNE VALUE 1,
        L_KPEIN LIKE KONV-KPEIN VALUE 1,
        L_FRT LIKE KONV-KWERT,
        L_CHAR(15).
*-- getting numerator and denominator for base value.
READ TABLE I_KONV WITH KEY KSCHL = 'PBXX'.
IF SY-SUBRC = 0.
    L_NUM = I_KONV-KUMZA.
    L_DENO = I_KONV-KUMNE.
    L_KPEIN = I_KONV-KPEIN.
ELSE.
    READ TABLE I_KONV WITH KEY KSCHL = 'PB00'.
    IF SY-SUBRC = 0.
      L_NUM = I_KONV-KUMZA.
      L_DENO = I_KONV-KUMNE.
      L_KPEIN = I_KONV-KPEIN.
    ELSE.
      READ TABLE I_KONV WITH KEY KSCHL = 'P001'.
      IF SY-SUBRC = 0.
        L_NUM = I_KONV-KUMZA.
        L_DENO = I_KONV-KUMNE.
        L_KPEIN = I_KONV-KPEIN.
      ELSE.
        READ TABLE I_KONV WITH KEY KSCHL = 'P000'.
        IF SY-SUBRC = 0.
          L_NUM = I_KONV-KUMZA.
          L_DENO = I_KONV-KUMNE.
          L_KPEIN = I_KONV-KPEIN.
        ENDIF.
      ENDIF.
    ENDIF.
ENDIF.
CLEAR : V_OCTROI,V_OTHERS, V_DISCOUNT,V_PFORWARD,V_INSU,V_FTR.
LOOP AT I_KONV WHERE KPOSN = P_EBELP.
*-- Considering the numerator denominator and UOPricing
    IF   I_KONV-KPEIN = 0 .
      I_KONV-KUMZA = 1.     " Numerator
      I_KONV-KUMNE = 1.    " Denominator
      I_KONV-KPEIN = 1.    " Unit of pricing
    ENDIF.
   IF NOT I_KONV-KWERT IS INITIAL .
     IF I_KONV-KRECH = 'C' AND I_KONV-KSCHL <> 'PB00'
       AND I_KONV-KSCHL <> 'PBXX'.
       I_KONV-KWERT = ( I_KONV-KWERT * I_KONV-KUMZA )
                       * L_KPEIN / ( I_KONV-KUMNE * I_KONV-KPEIN ).
     ELSEif I_KONV-KRECH = 'C' AND I_KONV-KSCHL = 'PB00'
       AND I_KONV-KSCHL = 'PBXX'.
       I_KONV-KWERT = ( I_KONV-KWERT * L_NUM * L_KPEIN ).
                      / ( L_DENO ).
    elseif I_KONV-KRECH = 'A' AND I_KONV-KSCHL = 'PB00'
       AND I_KONV-KSCHL = 'PBXX'.
       I_KONV-KWERT = ( I_KONV-KWERT * L_NUM * L_KPEIN )
                        / ( l_deno ).
     ENDIF.
   ENDIF.
    CASE I_KONV-KSCHL.
*-- For base price
      WHEN 'PB00'.
        L_BASE = L_BASE + I_KONV-KWERT.
      WHEN 'PBXX'.
        L_BASE = L_BASE + I_KONV-KWERT.
      WHEN 'P000'.
        L_BASE = L_BASE + I_KONV-KWERT.
      WHEN 'P001'.
        L_BASE = L_BASE + I_KONV-KWERT.
*-- For octroi
      WHEN 'JOCM'.
        L_OCTROI = L_OCTROI + I_KONV-KWERT .
*-- For discount calculation
      WHEN 'ZDT%'.
        L_DISCOUNT = L_DISCOUNT + I_KONV-KWERT .
      WHEN 'ZDN%'.
        L_DISCOUNT = L_DISCOUNT + I_KONV-KWERT.
      WHEN 'ZDTV'.
        L_DISCOUNT = L_DISCOUNT + I_KONV-KWERT .
      WHEN 'ZDNV'.
        L_DISCOUNT = L_DISCOUNT + I_KONV-KWERT.
*--- For packing forwarding .
      WHEN 'ZPNV'.
        L_PFORWARD = L_PFORWARD + I_KONV-KWERT.
      WHEN 'ZPN%'.
        L_PFORWARD = L_PFORWARD + I_KONV-KWERT.
*--- For frieght .
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        L_FRT = L_FRT + I_KONV-KWERT.
      WHEN 'ZFNQ'.
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**-----for others
     WHEN 'ZOTV'.
       L_OTHERS = L_OTHERS + I_KONV-KWERT.
     WHEN 'ZOT%'.
       L_OTHERS = L_OTHERS + I_KONV-KWERT.
     WHEN 'ZOTP'.
       L_OTHERS = L_OTHERS + I_KONV-KWERT.
     WHEN 'ZONV'.
       L_OTHERS = L_OTHERS + I_KONV-KWERT.
     WHEN 'ZON%'.
       L_OTHERS = L_OTHERS + I_KONV-KWERT.
     WHEN 'ZONP'.
       L_OTHERS = L_OTHERS + I_KONV-KWERT.
*--- for insurance
      WHEN 'ZINV'.
        L_INSU = L_INSU + I_KONV-KWERT.
      WHEN 'ZIN%'.
        L_INSU = L_INSU + I_KONV-KWERT.
      WHEN OTHERS.
        CONTINUE.
    ENDCASE.
    CLEAR I_KONV.
ENDLOOP.

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Is there any mathematical formula to find CPU cost of a query without executing it? Thanks

902181 wrote:
Is there any mathematical formula to find CPU cost of a query without executing it? ThanksAny why do you want the cost? What do you expect it to tell you? How are you planning to apply this in your code? Make sure you understand what cost tells you and what it does not tell you. And use that value in a sane fashion.
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2          c       integer;
3 begin
4          c := DBMS_SQL.open_cursor;
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2          rownum, p.plan_table_output
3 from       TABLE( DBMS_XPLAN.Display_Cursor( :sqlID, :childNumber, 'BASIC,COST' ) ) p;
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         1 EXPLAINED SQL STATEMENT:
         2 ------------------------
         3 select /* TEST1 */ * from emp
         4
         5 Plan hash value: 3956160932
         6
         7 -----------------------------------------------
         8 | Id | Operation         | Name | Cost (%CPU)|
         9 -----------------------------------------------
        10 |   0 | SELECT STATEMENT |      |     3 (100)|
        11 |   1 | TABLE ACCESS FULL| EMP |     3   (0)|
        12 -----------------------------------------------
        13
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I have defined two zones (zone1 and zone2) and set zone.cpu-shares in global zone.
I've set also global state for zone.cpu-shares for logging.
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zone: 0: global
zone.cpu-shares
        privileged         20       -   none                                 -
        system          65.5K     max   none                                 -
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        privileged         10       -   none                                 -
        system          65.5K     max   none                                 -
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*.warning                                       /var/adm/messages.warning
...P.S. does not work with syslog=notice either :((

Hi,
I have defined two zones (zone1 and zone2) and set zone.cpu-shares in global zone.
I've set also global state for zone.cpu-shares for logging.
The questions is why I do not get any messagess in "/var/adm/messges.warning" when some zone use more cpu-shares than defined.??
Configuration follows:
root@sol10test# prctl -i zone 0 1 2
zone: 0: global
zone.cpu-shares
        privileged         20       -   none                                 -
        system          65.5K     max   none                                 -
zone: 1: zone2
NAME    PRIVILEGE       VALUE    FLAG   ACTION                       RECIPIENT
zone.cpu-shares
        privileged         10       -   none                                 -
        system          65.5K     max   none                                 -
zone: 2: zone1
NAME    PRIVILEGE       VALUE    FLAG   ACTION                       RECIPIENT
zone.cpu-shares
        privileged         70       -   none                                 -
        system          65.5K     max   none                                 -
root@sol10test# rctladm
zone.cpu-shares             syslog=warning [ no-basic no-deny no-signal count ]
root@sol10test# cat /etc/syslog.conf
*.warning                                       /var/adm/messages.warning
...P.S. does not work with syslog=notice either :((

Code for finding CPU utilisation for executing query

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